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Defined Benefit and Postretirement Benefits (Expected Contributions to Pension and Postretirement Plans) (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2023 USD ($)
Pension |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Expected contributions in 2023 | $ 2.6
Amounts contributed during the nine months ended September 30, 2023 | 2.1
Postretirement |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Expected contributions in 2023 | 1.5
Amounts contributed during the nine months ended September 30, 2023 | $ 1.4

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- Definition Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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